Upgrade SIPPBX6200 Version 1.2.1 to Version 1.2.2 1. Unzip 6200_v122.zip 2. Procedure: http://xxx.xxx.xxx.xxx:10087 login user: xxxx login password: xxxx Upgrade the software (Control > Upgrade) -file name: osamdin.bin -file name: wwwroot.bin -file name: sipbx.bin Click "Upload" button: Display: osadmin.bin---->Successfully wwwroot.bin---->Successfully sipbx.bin---->Successfully 3. Click "Control > System > Restart" SIPPBX6200